rickets is a nutritional disorder that can develop if you do not get enough vitamin d calcium or phosphate rickets leads to poor functioning of a bone s growth plate growing edge softened and weakened bones stunted growth and in severe cases skeletal deformities
Hence, a 20-year period of the patent usually gives manufacturers a chance to recoup the cost of developing a new drug. When a drug patent expires, any pharmaceutical company can manufacture and sell the drug. A drug, which is produced and distributed without patent protection is called a generic drug.
How Long is the âPatent Pendingâ Status? Patent applications filed in the United States typically have âpatent pendingâ for 1 to 3 years. However, it is not uncommon for some patent applications (e.g. software and electronic applications) to have patent pending status for 3 to 5+ years.